datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,09 0:30:00,30 ,       0,0.477099,0.054585,0.103485
twpcmbeC1.c1,2002,09 1:30:00,30 ,       0,0.387738,0.059707,0.101811
twpcmbeC1.c1,2002,09 2:30:00,30 ,       0,0.584104,0.061561,0.151429
twpcmbeC1.c1,2002,09 3:30:00,30 ,       0,0.333515,0.041178,0.097264
twpcmbeC1.c1,2002,09 4:30:00,30 ,       0,0.303657,0.032887,0.079322
twpcmbeC1.c1,2002,09 5:30:00,30 ,       0,0.118339,0.005843,0.021535
twpcmbeC1.c1,2002,09 6:30:00,30 ,0.052191,47.71055,13.97228,13.56259
twpcmbeC1.c1,2002,09 7:30:00,30 ,0.048482, 130.232,47.92898,31.08096
twpcmbeC1.c1,2002,09 8:30:00,30 ,0.066727,214.1998, 89.5931,48.57527
twpcmbeC1.c1,2002,09 9:30:00,29 ,0.067582,209.2423,120.4451,61.70061
twpcmbeC1.c1,2002,0910:30:00,29 , 0.41474,309.7794,124.2938,77.52959
twpcmbeC1.c1,2002,0911:30:00,29 ,28.49307,309.7068,148.3962, 78.9204
twpcmbeC1.c1,2002,0912:30:00,29 ,2.734762,299.9756,159.4096,91.38692
twpcmbeC1.c1,2002,0913:30:00,29 ,       0,314.6425,155.3723,94.72488
twpcmbeC1.c1,2002,0914:30:00,29 ,       0,266.3783,124.7887,79.09741
twpcmbeC1.c1,2002,0915:30:00,29 ,0.178054,236.1651,105.9711,62.96553
twpcmbeC1.c1,2002,0916:30:00,29 ,0.132054,135.2367,62.78775,37.14489
twpcmbeC1.c1,2002,0917:30:00,29 ,0.001966,55.28585,26.05535, 18.9764
twpcmbeC1.c1,2002,0918:30:00,29 ,0.000021,0.319125,0.054559,0.085441
twpcmbeC1.c1,2002,0919:30:00,29 ,       0,0.200334,0.006908,0.037201
twpcmbeC1.c1,2002,0920:30:00,29 ,       0,0.383057,0.037436,0.099621
twpcmbeC1.c1,2002,0921:30:00,29 ,       0,0.385502,0.032963,0.101206
twpcmbeC1.c1,2002,0922:30:00,29 ,       0,0.371586,0.033393,0.079824
twpcmbeC1.c1,2002,0923:30:00,29 ,       0,0.393098,0.054461, 0.10093